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M3.4 Depth: 35.0 km

M3.4 Earthquake near 107 km SSE of Adak, Alaska

UTC time: 2025-03-21 15:52:26 UTC Local time: —

About this earthquake

On March 21, 2025 at 15:52 UTC, a magnitude M3.4 earthquake occurred near 107 km SSE of Adak, Alaska. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M3.4
Depth
35.0 km
UTC time
2025-03-21 15:52:26 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.00640, -175.96440

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Moffett
    Distance: 118 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 119 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Kanaga
    Distance: 132 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Kasatochi
    Distance: 134 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Bobrof
    Distance: 143 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Koniuji
    Distance: 147 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

Stats (last 24h)

Global (24h)
649
Country (24h)
—
—
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